In bullock carts, the iron rim is usually heated before fixing to the wooden wheels, because on heating, the iron:

contracts and fits to the wooden wheel

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expands and fits to the wooden wheel

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first expands and then contracts, thus fitting to the wooden wheel

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does not expand or contract

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Solution

The correct option is C first expands and then contracts, thus fitting to the wooden wheel
When the iron rim is heated, it expands. It is placed on the wooden wheel in its expanded state. When the temperature decreases, the rim again contracts, thus fitting completely onto the wheel.

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Similar questions

Question 7

Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel because on heating the iron rim
(a) expands and fits onto the wooden wheel
(b) contracts and fits onto the wooden wheel
(c) no change in the size take place
(d) expands first, then on cooling contracts and fits onto the wooden wheel

Q. In bullock carts, the iron rim is usually heated before fixing to the wooden wheels, because on heating, the iron:

In bullock carts, the iron rim is usually heated before fixing to the wooden wheels.

Q. Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel because on heating the iron rim:

Why is the iron tyre heated before fitting it on a wooden wheel?

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In bullock carts, the iron rim is usually heated before fixing to the wooden wheels, because on heating, the iron:

The correct option is C first expands and then contracts, thus fitting to the wooden wheelWhen the iron rim is heated, it expands. It is placed on the wooden wheel in its expanded state. When the temperature decreases, the rim again contracts, thus fitting completely onto the wheel.

The correct option is C first expands and then contracts, thus fitting to the wooden wheel
When the iron rim is heated, it expands. It is placed on the wooden wheel in its expanded state. When the temperature decreases, the rim again contracts, thus fitting completely onto the wheel.